[Talk-ca] [bot] Proposal to fix issue with duplicated inner polygons in Canada

Thu Dec 23 14:17:43 UTC 2021

James wrote: "polygons are usually "holes" in the forest, but NRCan has no concept of relations, probably because they use ESRI."

False.  The canvec data model was decided WITH the Osm Canadian community (it's all documented in the mailing list and the wiki). At that time, Osm contributors preferred being able to upload the data in separate layers (explaining the holes) but the fully integrated model was offered.
Daniel

Sent from Galaxy S7
________________________________
From: James <james2432 at gmail.com>
Sent: Thursday, December 23, 2021 6:18:18 AM
To: OSM <OSM at tomtom.com>
Cc: Talk-CA OpenStreetMap <talk-ca at openstreetmap.org>
Subject: Re: [Talk-ca] [bot] Proposal to fix issue with duplicated inner polygons in Canada

Yes is from Canvec unfortunately, and it's the painful part of importing new canvec data(merging down the polygons).

The no data polygons are usually "holes" in the forest, but NRCan has no concept of relations, probably because they use ESRI.

Then you have the polygon for say the body of water such as a lake or a swamp etc which matches the "hole". It's very annoying and tedious to do manually.

I welcome this initiative.

On Thu., Dec. 23, 2021, 6:11 a.m. OSM, <OSM at tomtom.com<mailto:OSM at tomtom.com>> wrote:
Hello everyone,
Bonjour à tous,

Jeff - thank you for those kind words. We already managed to correct the features in your region of origin, and we will surely fix Nova Scotia as well! :)

If there are no objections, we will start executing the full bot run on Monday 2021/12/27.

We will run it in many iterations (to not overwhelm the system), fixing province after province. It can take us up to one month to complete, but we will surely keep you posted on the progress.

Meanwhile, if you have any more feedback regarding the bot output - do let us know.

Happy holidays!
Paulina

-----Original Message-----
From: Jeff McKenna <jmckenna at gatewaygeomatics.com<mailto:jmckenna at gatewaygeomatics.com>>
Sent: maandag 20 december 2021 15:27
To: talk-ca at openstreetmap.org<mailto:talk-ca at openstreetmap.org>
Subject: Re: [Talk-ca] [bot] Proposal to fix issue with duplicated inner polygons in Canada

[You don't often get email from jmckenna at gatewaygeomatics.com<mailto:jmckenna at gatewaygeomatics.com>. Learn why this is important at http://aka.ms/LearnAboutSenderIdentification.]

A big thanks to Paulina & team!

Please keep us posted for the rest of Canada also.  Thanks again!

(from a Nova Scotia person, but with roots in Southwestern ON)

-jeff

--
Jeff McKenna
GatewayGeo: Developers of MS4W, MapServer Consulting and Training co-founder of FOSS4G
https://eur02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fgatewaygeo.com%2F&data=04%7C01%7Cosm%40tomtom.com%7C4b5115cddc2a459dee7908d9c3c56d87%7C374f80267b544a3ab87d328fa26ec10d%7C0%7C0%7C637756075732570072%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=ZI7Spt8LP09KHoBUPJwHalGl3ucqlAXLbZfkS4toi2w%3D&reserved=0

On 2021-12-16 9:09 a.m., OSM wrote:
> Hello everyone,
>
> Bonjour à tous,
>
> I am happy to announce that the planned test run was executed successfully!
>
> We were able to fix 748 cases in Southwestern Ontario over the course
> of
> 26 minutes (total run time).
>
> Also, during this first run we have encountered cases of duplicated
> polygons where the geometry is more than doubled (e.g. tripled). Such
> situations shouldn't be repaired automatically (the intention was to
> handle "double" polygons, as logged in Osmose, other cases might
> require manual review), so we have modified the code for now to find
> and skip such cases.
>
> You can see all the details about the run on our wiki (along with the
> links to the particular changesets):
> https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwiki
> .openstreetmap.org<http://openstreetmap.org>%2Fwiki%2FAutomated_edits%2FTTmechanicalupdates%2FFi
> x_issue_with_duplicated_inner_polygons_in_Canada%23Outcome&data=04
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> &reserved=0
> <https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwik
> i.openstreetmap.org<http://i.openstreetmap.org>%2Fwiki%2FAutomated_edits%2FTTmechanicalupdates%2FF
> ix_issue_with_duplicated_inner_polygons_in_Canada%23Outcome&data=0
> 4%7C01%7Cosm%40tomtom.com<http://40tomtom.com>%7C4b5115cddc2a459dee7908d9c3c56d87%7C374f802
> 67b544a3ab87d328fa26ec10d%7C0%7C0%7C637756075732570072%7CUnknown%7CTWF
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> D&reserved=0>
>
>
> Based on our analysis, the bot is working correctly, but we encourage
> you to verify the output as well, as per the Automated Edits code of
> conduct.
>
> Next we will start processing the whole of Canada (in iterations, as
> described here:
> https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwiki
> .openstreetmap.org<http://openstreetmap.org>%2Fwiki%2FAutomated_edits%2FTTmechanicalupdates%2FFi
> x_issue_with_duplicated_inner_polygons_in_Canada%23Bot_runs&data=0
> 4%7C01%7Cosm%40tomtom.com<http://40tomtom.com>%7C4b5115cddc2a459dee7908d9c3c56d87%7C374f802
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> Hk%3D&reserved=0
> <https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwik
> i.openstreetmap.org<http://i.openstreetmap.org>%2Fwiki%2FAutomated_edits%2FTTmechanicalupdates%2FF
> ix_issue_with_duplicated_inner_polygons_in_Canada%23Bot_runs&data=
> 04%7C01%7Cosm%40tomtom.com<http://40tomtom.com>%7C4b5115cddc2a459dee7908d9c3c56d87%7C374f80
> 267b544a3ab87d328fa26ec10d%7C0%7C0%7C637756075732570072%7CUnknown%7CTW
> FpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6
> Mn0%3D%7C2000&sdata=Fgl%2B3tImEgMyfRb65DT1iV0kxY%2F%2Fh7mSbqty73Lk
> 6Hk%3D&reserved=0>
> ).
>
> Do not hesitate to reach out with questions or comments!
>
> Best regards,
>
> Paulina
>
>

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